New York, March 9 (Ians) Covid-19 vaccines developed by Moderna and Pfizer-BioNTech significantly appear less effective against the Covid variant that first emerged in South Africa, finds a new study.
The study, published in the journal Nature, indicated that the percentage of protective antibodies that neutralised the variant -- B.1.351 -- was 12.4 times lower for Moderna's Covid-19 shot, while Pfizer's vaccine was found to be 10.3 times lower.
According to the researchers, including Manoj S Nair from Columbia University Irving Medical Center in the US, multiple vaccine constructs have shown promise, including two with 95 per cent protective efficacy against Covid-19. However, these interventions were directed toward the initial Sars-CoV-2 that emerged in 2019.
The recent emergence of new Sars-CoV-2 variants B.1.1.7 in the UK and B.1.351 in South Africa is of concern because of their purported ease of transmission and extensive mutations in the spike protein, the team said.
For the study,...
The study, published in the journal Nature, indicated that the percentage of protective antibodies that neutralised the variant -- B.1.351 -- was 12.4 times lower for Moderna's Covid-19 shot, while Pfizer's vaccine was found to be 10.3 times lower.
According to the researchers, including Manoj S Nair from Columbia University Irving Medical Center in the US, multiple vaccine constructs have shown promise, including two with 95 per cent protective efficacy against Covid-19. However, these interventions were directed toward the initial Sars-CoV-2 that emerged in 2019.
The recent emergence of new Sars-CoV-2 variants B.1.1.7 in the UK and B.1.351 in South Africa is of concern because of their purported ease of transmission and extensive mutations in the spike protein, the team said.
For the study,...
- 3/9/2021
- by Glamsham Bureau
- GlamSham
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